Webskitters android and React Native Developer Interview Questions and Answers

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Learn crud operation and have a deep dive in javascript.

Q1. Solve javascript technical questions
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Q2. UseMemo , UseCallback , Ajax
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Q1. About Salary negotiations
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CSS Positioning Questions, Data fetching in React Questions , Asked about CORS Errors

Q1. Git pull vs pull request?
Ans. 
Git pull is used to fetch and merge changes from a remote repository, while pull request is a way to propose changes to a repository.
• Git pull is used to update a local repository with changes from a remote repository.

• Pull request is a way to propose changes to a repository by creating a branch, making changes, and requesting the changes to be merged into the main branch.

• Git pull is a command used in the terminal, while...read more
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Q2. What is IPC and RPC?
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IPC stands for Inter-Process Communication and RPC stands for Remote Procedure Call.
• IPC is a mechanism that allows communication between processes running on the same or different devices.

• RPC is a protocol that enables one program to request a service from another program on a remote machine.

• IPC can be achieved through shared memory, message passing, and pipes.

• RPC uses a client-server model and can be implemented using...read more
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Q3. How to detect loop in linked list?
Ans. 
To detect loop in linked list, use Floyd's cycle-finding algorithm.
• Create two pointers, slow and fast, and initialize both to the head of the linked list.

• Move slow pointer by one node and fast pointer by two nodes.

• If there is a loop, the two pointers will eventually meet.

• If there is no loop, the fast pointer will reach the end of the linked list.

• Time complexity: O(n), Space complexity: O(1)
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Q4. Print prime numbers between 100 to 1,00,000
Ans. 
Print prime numbers between 100 to 1,00,000
• Start with a loop from 100 to 100000

• Check if the current number is prime or not

• If prime, print the number
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Q1. What is daemon Thread? what is data Class? Garbage Collector? Activity Lifecycle? what is Fragment? what took you used for App Debugging ? how to revert changes pushed in GIT? write down example of Data cl...read more
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Questions related to Android development concepts and practices.
• Daemon thread is a low priority thread that runs in the background.

• Data class is a class that is used to hold data and provides default implementations of common methods like equals, hashCode, and toString.

• Garbage collector is a mechanism that automatically frees up memory by removing objects that are no longer in use.

• Activity lifecycle refers to the vario...read more
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